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with crystallographic analysis.

Structure

Alkali and alkaline earth acetylides

In the absence of additional ligands, metal acetylides adopt polymeric structures wherein the acetylide groups are bridging ligands. Alkali metal acetylides have the general formula (M = Li, Na, K, etc).They are sometimes represented as but the C---M bonding might also be described as polar covalent. They dissolve without decomposition in ammonia.

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